| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001HZRK |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [03/2019 - 09/2022] |
| Title: POWER DISTRIBUTION: INTEGRATION RELAY: REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022] | ||
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the No. 1 integration relay removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
| *1: for Hatchback | |||
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Disconnect cable from negative battery terminal |
Perform steering sensor zero point calibration |
Lane Control System (for Gasoline Model) |
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Pre-collision System (for Gasoline Model) |
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Lighting System (w/ AFS)(EXT) |
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Initialize back door lock*1 |
Power Door Lock Control System (for Hatchback, Gasoline Model) |
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NOTICE:
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))
Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
|
Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
|---|---|---|---|
|
Disconnect cable from negative auxiliary battery terminal |
Perform steering sensor zero point calibration |
Lane Control System (for HV Model) |
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Pre-collision System (for HV Model) |
NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
for M20A-FKS: Click here
![2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL+](/t3Portal/stylegraphics/info.gif)
for 2ZR-FAE: Click here
for 2ZR-FXE: Click here
3. REMOVE NO. 1 RELAY BLOCK COVER
(a) Disengage the 3 claws to remove the No. 1 relay block cover as shown in the illustration.
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*A |
for Gasoline Model |
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*B |
for HV Model |
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Remove in this Direction |
4. REMOVE NO. 1 INTEGRATION RELAY
(a) Using a screwdriver, disengage the 2 claws.
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Remove in this Direction |
(b) Pull the No. 1 integration relay as shown in the illustration.
NOTICE:
When pulling the No. 1 integration relay, take care not to damage it.
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(c) Disconnect the 2 connectors to remove the No. 1 integration relay. NOTICE: When pulling the No. 1 integration relay, take care not to damage it. |
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